有机负荷对制革废水好氧氨氮氧化速率的影响

doi:10.19677/j.issn.1004-7964.2019.04.002

皮革科学与工程 ›› 2019, Vol. 29 ›› Issue (04): 10-14.doi: 10.19677/j.issn.1004-7964.2019.04.002

有机负荷对制革废水好氧氨氮氧化速率的影响

马小剑^1,²,王亚楠¹,石碧^1,^3,^*()

^1. 制革清洁技术国家工程实验室（四川大学）,四川成都 610065
^2. 美迪洋（泗洪）皮革有限公司,江苏宿迁 223900
^3. 皮革化学与工程教育部重点实验室（四川大学）,四川成都 610065

收稿日期:2019-03-02 出版日期:2019-08-28 上线日期:2019-09-09
通讯作者: 石碧 E-mail:shibi@scu.edu.cn
作者简介:马小剑（1983-）,男,博士生。
基金资助:
德阳市开放式校市合作科技成果转化项目(2018CKCSD025);皮革化学与工程教育部重点实验室（四川大学）开放课题基金(20826041C4159)

Effect of Organic Load Rate on Aerobic Ammonia-oxidizing Rate of Tannery Wastewater

MA Xiaojian^1,²,WANG Yanan¹,SHI Bi^1,^3,^*()

^1. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
^2. Maydiang (Sihong) Leather Ltd., Suqian 223900, China
^3. Key Laboratory of Leather Chemistry and Engineering (Sichuan University), Ministry of Education, Chengdu 610065, China

Received:2019-03-02 Online:2019-08-28 Published:2019-09-09
Contact: SHI Bi E-mail:shibi@scu.edu.cn

摘要/Abstract

摘要：

以某制革厂污水站活性污泥为菌源,利用曝气设备,研究了不同有机负荷（OLR）对模拟制革废水氨氮氧化速率（AOR）的影响。结果显示,零有机负荷运行10 d后,氨氮去除率达到99.6%,AOR也逐步升高至5.6 mg/(gh),是高OLR（6 g/(Ld)）下AOR的10倍。当OLR不超过2.4时,AOR仍保持在5.5 mg/(gh)以上,可实现氨氮和COD的同步去除。当OLR达到3.0时,AOR显著降低,不利于氨氮的氧化去除。

关键词: 制革废水, 有机负荷, 好氧, 氨氮, COD

Abstract:

The effect of different organic load rates (OLR) on ammonia-oxidation rate (AOR) of simulated tannery wastewater was investigated in the aeration device, using the activated sludge from a tannery wastewater treatment plant as the seed sludge. The results showed that the removal of ammonium (NH₃-N) was 99.6% after 10 days under zero OLR. Meanwhile, AOR gradually increased to 5.6 mg/(gh), which was 10 times greater than that at OLR of 6.0 g/(Ld). AOR remained at over 5.5 mg/(gh), and NH₃-N and COD were removed simultaneously when OLR was no more than 2.4 g/(Ld). However, AOR was declined remarkably under OLR of 3.0 g/(Ld), which made a negative impact on the oxidation removal of NH₃-N.

Key words: tannery wastewater, organic load rate, aerobic, ammonium, COD

中图分类号:

X794

马小剑,王亚楠,石碧. 有机负荷对制革废水好氧氨氮氧化速率的影响[J]. 皮革科学与工程, 2019, 29(04): 10-14.

MA Xiaojian,WANG Yanan,SHI Bi. Effect of Organic Load Rate on Aerobic Ammonia-oxidizing Rate of Tannery Wastewater[J]. Leather Science and Engineering, 2019, 29(04): 10-14.

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参考文献 19

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	平均水量/(m³/d)	COD/(mg/L)	NH₃-N/(mg/L)	pH	SV₃₀/%	MLVSS/(g/L)	HRT/d
进水	1100	2000~2500	150~250	6.5~7.5	45	3.5	2.7
出水	1100	80~200	140~180	6.5~7.5	45	3.5	2.7

有机负荷对制革废水好氧氨氮氧化速率的影响

Effect of Organic Load Rate on Aerobic Ammonia-oxidizing Rate of Tannery Wastewater

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